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Upgrade README for Duo 256M ION_SIZE

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carbon
2023-12-25 18:44:17 +08:00
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@ -433,7 +433,7 @@ then reboot the board.
2. Why does it only show 28M when viewing the RAM?
Because a portion of the RAM is allocated to [ION](https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/default/dts/cv180x/cv180x_default_memmap.dtsi#L15), which is the memory used when running algorithms with the camera. If you're not using the camera, you can modify the value of this [ION_SIZE](https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/cv180x/cv1800b_milkv_duo_sd/memmap.py#L43) to 0 and then recompile to generate the image.
Because a portion of the RAM is allocated to [ION](https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/default/dts/cv180x/cv180x_default_memmap.dtsi#L15), which is the memory used when running algorithms with the camera. If you're not using the camera, you can modify the value of this [ION_SIZE](https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/cv180x/cv1800b_milkv_duo_sd/memmap.py#L43) to 0 and then recompile to generate the image(Duo 256M: [ION_SIZE](https://github.com/milkv-duo/duo-buildroot-sdk/blob/develop/build/boards/cv181x/cv1812cp_milkv_duo256m_sd/memmap.py#L43)).
## Links to some documentation from the chip manufacturer